20282+3024 HJ 1517

Coord 2000	20282+3024		Discov num	HJ 1517		Comp			Coord arcsec 2000	20 28 15.81 +30 24 05.9
Date first	1828		Date last	2018		Obs	15
Pa first	104		Pa last	105		P.A. Now (θ)	105°
Sep first	6.5		Sep last	13.1		Sep. Now (ρ)	13.1"
Mag pri	10.94		Mag sec	11.24		delta mag (ΔM)	0.3		Spectral class	F0 (yellow-white)
Pri motion ra	+003		Sec motion ra	+003
Pri motion dec	+001		Sec motion dec	-001
Notes

rPM=0.632 Nature of this double is uncertain.

Precise pa	104.7		Precise sep	13.1		Constellation	Cygnus		Tycho2	2685-01775-1
Gaia DR2	95671875456

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20282+3024	HJ 1517		1999	7	105	12.8	10.94	11.24	F0	D	202815.81+302405.9
20282+3024	HJ 1517		2002	9	105	12.7	10.94	11.24	F0	D	202815.81+302405.9
20282+3024	HJ 1517		2010	10	104	12.0	10.94	11.24	F0		202815.81+302405.9
20282+3024	HJ 1517		2015	10	105	12.7	10.94	11.24	F0		202815.81+302405.9
20282+3024	HJ 1517		2018	15	105	13.1	10.94	11.24	F0		202815.81+302405.9

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